Copies of these reports are available through:

Detonation Full-Scale

Octane Number Requirement Survey, 1948. CRC-236. 2/49. (Includes Research Technique for Determination of Octane Number Requirements of Vehicles on the Road: E-1-748).

Report on 1947 Sensitive Reference Fuel Program of Road Test Group. CRC-243. 5/48.

Analysis of 1948 Road Rating Exchange Data. CRC-252. 8/49.

Octane Number Requirement Survey, 1949. CRC-253. 2/50. (Includes Research Technique for Determination of Octane Number Requirements of Vehicles on the Road: E-1-748).

Analysis of 1949 Road Rating Exchange Data. CRC-254. 5/50.

Standard Equipment Survey - 1948, 1949 and 1950 Passenger Cars. CRC-255. 9/50.

Road Rating Techniques. CRC-259. 1/51. (Includes Research Technique for Determination of Antiknock Quality of Fuels on the Road: F-26-651; Modified Borderline Research Technique for Determination of Antiknock Quality of Fuels on the Road (with Manual Spark Advance): F-27-651; Modified Knock Intensity Research Technique for Determination of Fuels on the Road (Modified Uniontown Technique): F-28-651).

Octane Number Requirement Survey - Commercial Vehicles, 1950. CRC-262. 9/51.

Analysis of 1950 Road Rating Exchange Data. CRC-264. 9/51.

Octane Number Requirement Survey, 1951. CRC-266. 4/52. (Includes Research Technique for Determination of Octane Number Requirements of Vehicles on the Road: E-1-748).

Correlation of Road Antiknock Ratings in Octane Number Requirement Survey Cars and Test Cars. CRC-268. 9/52.

Octane Number Requirement Survey, 1952. CRC-274. 3/53. (Includes Research Technique for Determination of Octane Number Requirements of Vehicles on the Road: E-1-748).

Octane Number Requirement Survey, 1953. CRC-280. 2/54. (Includes Research Technique for Determination of Octane Number Requirements of Vehicles in the 1953 CRC Field Equipment Survey: E-13-654).

Octane Number Requirement Survey, 1954. CRC-287. 2/55. (Includes Research Technique for Determination of Maximum Octane Number Requirements of Vehicles in the 1954 CRC Field Equipment Survey: E-14-955).

Correlation of Road Antiknock Ratings in Octane Number Requirement Survey Cars and Test Cars - Part II. CRC-293. 10/55.

Octane Number Requirement Survey, 1955. CRC-300. 12/56. (Includes Research Technique for Determination of Maximum Octane Number Requirements of Vehicles in the 1954 CRC Field Equipment Survey: E-14-356).

New Procedure for Plotting Octane Number Requirement Distribution Data. CRC-305. 2/57.

Octane Number Requirement Survey, 1956. CRC-309. 5/57. (Includes Research Technique for Determination of Maximum Octane Number Requirements of Vehicles in the 1954 CRC Field Equipment Survey: E-14-557).

Analysis of 1955 Road Rating Exchange Data. CRC-311. 2/57.

Accuracy of Road Rating Techniques Established by 1952, 1953 and 1954 Rating Programs. CRC-329. 4/58. (Includes Modified Borderline Research Technique for Determination of Antiknock Quality of Fuels on the Road (With Manual Spark Advance): F-27-651: Modified Knock Intensity Research Technique for Determination of Fuels on the Road (Modified Uniontown Technique): F-28-651).

Octane Number Requirement Survey, 1957. CRC-331. 7/58. (Includes Research Technique for Determination of Octane Number Requirements of Passenger Cars Over the Operating Speed Range: E-15-758).

Analysis of 1957 Road Rating Exchange Data. CRC-334. 12/58.

Octane Number Requirement Survey, 1958. CRC-337. 5/59. (Includes Research Technique for Determination of Octane Number Requirements of Passenger Cars Over the Operating Speed Range: E-15-1258).

Analysis of 1958 Road Rating Exchange Data. CRC-340. 9/59.

Analysis of 1959 Road Rating Exchange Data. CRC-344. 3/60.

Octane Number Requirement Survey, 1959. CRC-348. 4/60. (Includes Research Technique for Determination of Octane Number Requirements of Passenger Cars Over the Operating Speed Range: E-15-559).

Octane Number Requirement Survey, 1960. CRC-353. 2/61.

Analysis of the 1960 Road Rating Exchange Data - Part One: Rumble Requirement and Rumble Rating Tests. CRC-354. 8/61.

Foreign Car Octane Number Requirement Survey, 1961. CRC-356. 10/61.

Octane Number Requirement Survey, 1961. CRC-357. 2/62.

Octane Number Requirement Survey, 1962. CRC-361. 2/63.

Analysis of the 1961 Road Rating Exchange Data: Octane Number Fuel Rating Tests. CRC-368. 3/63.

Octane Number Requirement Survey, 1963. CRC-375. 2/64.

Octane Number Requirement Survey, 1964. CRC-382. 2/65.

Analysis of 1963 Road Rating Data: Regular Grade Fuel and Cars. CRC-384. 9/65.

Analysis of 1964 Road Rating Data: Premium Grade Fuels and Cars. CRC-387. 10/65.

Expression for Fuel Knock Rating: Analysis of Reference Fuel Equivalents Tests. CRC-389. 11/65. Octane Number Requirement Survey, 1965. CRC-390. 2/66.

Analysis of 1965 Road Rating Data: Regular Grade Fuels and Cars. CRC-402. 10/66.

Octane Number Requirement Survey, 1966. CRC-407. 7/67.

Octane Number Requirement Survey, 1967. CRC-418. 8/68.

Octane Number Requirement Survey, 1968. CRC-423. 10/69.

1967 Light-Duty Truck Octane Number Requirement Pilot Study. CRC-425. 12/69.

Analysis of 1966 Road Rating Data: Premium Grade Fuels and Cars. CRC424. 1/70.

Octane Number Requirement Survey, 1969. CRC-434. 11/70.

CRC Revised Road Rating Techniques. CRC-436. 12/70.

Analysis of 1969 Road Rating Data: Regular Grade Fuels and Cars. CRC-438. 12/70.

1967-68 CRC Road Rating Program (Phase 1: Fuel Rating Characteristics of 1967 Premium Fuel Cars With and Without Exhaust Emission Control Devices). CRC-444. 7/71.

Influence of Leaded and Unleaded Fuels on Octane Requirement Increase in 1971 Model Cars (20 Car Pilot Program at Southwest Research Institute). CRC-445. 3/71.

Octane Number Requirement Survey, 1970. CRC-446. 9/71.

Octane Number Requirement Survey, 1971. CRC-448. 6/72.

Influence of Leaded and Unleaded Fuels on Octane Requirement Increase in 1971 Model Cars (Phase 1: 1970-71 CRC Road Rating Program). CRC-451. 5/72.

Effect of Altitude Changes on Octane Number Requirement of Late Model Cars. CRC-454. 11/73.

A Study of Variations in Road Octane Rankings of Fuels Among Laboratories (Phase 2: 1967-68 CRC Road Rating Program). CRC-459. 7/73.

Analysis of 1971 Road Rating Data: Unleaded Gasolines in 1971 Cars (Phase II: 1970-71 CRC Road Rating Program). CRC-461. 6/73.

Octane Number Requirement Survey 1972. CRC-464. 12/73.

Octane Number Requirement Survey 1973. CRC-467. 7/74.
Octane Requirement Increase in 1973 Model Cars - Phase II: 1973 Road Rating. CRC-476. 2/75.

1973 Fuel Rating Program - Phase 1: Road Octane Performance in 1973 Model Cars. CRC-477. 2/75.

1974 Octane Number Requirement Survey. CRC-479. 10/75.

High Mileage Supplement to the 1975 CRC Octane Number Requirement Survey. CRC-480. 10/75.

Octane Requirement Increase in 1974 Model Cars - Phase II: 1974 Road Rating Program. CRC-485. 6/76.

1975 CRC Octane Number Requirement Survey. CRC-488. 11/76.

1975 CRC Customer/Rater Knock Perception Study. CRC-492. 9/77.

1976 CRC Octane Number Requirement Survey. CRC-493. 9/77.

1975 CRC Fuel Rating Program: Road Octane Performance in 1975 Model Cars. CRC-494. 11/77.

1977 CRC Octane Number Requirement Survey. CRC-497. 5/78.

Octane Requirement Increase of 1975 Model Cars. CRC-498. 5/78.

1977 CRC Altitude Program. CRC-500. 11/78.

1978 CRC Octane Number Requirement Survey. CRC-508. 8/79.

1978 CRC Fuel Rating Program: Road Octane Performance in 1978 Model Cars. CRC-510. 8/79.

1979 CRC Octane Rating Symposium. CRC-511. 3/80.

Octane Requirement Increase of 1977 Model Cars. CRC-513. 4/80.

1978 CRC Customer Versus Rater Octane Number Requirement Survey. CRC-514. 4/80.

1979 CRC Octane Number Requirement Survey. CRC-515. 4/80.

1980 CRC Octane Number Requirement Survey. CRC-519. 1/81.

1980 CRC Fuel Rating Program: Road Octane Performance in 1980 Model Cars. CRC-520. 7/81.

1981 CRC Altitude Octane Requirement Program. CRC-523. 12/81.

1981 CRC Octane Number Requirement Survey. CRC-525. 8/82.

Octane Requirement Increase of 1978 and 1979 Model Cars. CRC-526. 4/82.

Octane Requirement Increase of 1980 Model Cars. CRC-531. 6/83.

1982 CRC Octane Number Requirement Survey. CRC-533. 7/83.

Octane Requirement Increase of 1981 Model Cars. CRC-535. 11/83.

1983 CRC Octane Number Requirement Survey. CRC-539. 8/84.

Octane Requirement Increase of 1982 Model Cars. CRC-540. 9/84.

1982 CRC Fuel Rating Program: Road Octane Performance of Oxygenates in 1982 Model Cars. CRC-541. 7/85.

1984 CRC Octane Number Requirement Rating Workshop. CRC-542. 6/85.

1984 CRC Octane Number Requirement Survey. CRC-544. 12/85.

Octane Requirement Increase of 1983 Model Cars. CRC-545. 11/85.

1985 CRC Octane Number Requirement Survey. CRC-548. 10/86.

Octane Requirement Increase of 1984 Model Vehicles. CRC-549. 10/86.

1986 CRC Octane Number Requirement Survey. CRC-553. 8/87.

1987 CRC Octane Number Requirement Survey. CRC-561. 8/88.

1987 CRC Octane Number Requirement Rating Workshop. CRC-563. 9/88.

1988 CRC Octane Number Requirement Survey. CRC-566. 8/89.

1989 CRC Octane Number Requirement Rating Workshop. CRC-567. 10/89.

1989 CRC Octane Number Requirement Survey. CRC-570. 8/90.

CRC Program for Quantifying Performance of Knock-Sensor-Equipped Vehicles
with Varying Octane Level. CRC-571. 8/90.

Effect of Gasoline Octane Quality on Vehicle Acceleration Performance. CRC-574. 7/91.

1990 CRC Octane Number Requirement Survey. CRC-575 7/91.

Octane Requirement Increase of 1988 and 1989 Model Vehicles. CRC-576 8/91.

1991 CRC Octane Number Requirement Survey. CRC-580. 11/92

Octane Requirement Increase of 1990 and 1991 Model Vehicles. CRC-581. 6/92.

1992 CRC Octane Number Requirement Rating Workshop. CRC-582. 10/92.

1990 CRC Customer Versus Rater Octane Number Requirement Program. CRC-586. 10/93.

1992 CRC Octane Number Requirement Survey. CRC-587. 8/93.

1993 CRC Octane Number Requirement Survey. CRC-594. 1/95.

1994 CRC Octane Number Requirement Rating Workshop. CRC 593. 4/95

1994 CRC Octane Number Requirement Survey. CRC-596. 11/95.

Vehicle Performance Effects of Octane on Knock-Sensor-Equipped Vehicles.
CRC-597. 11/95.

1995 CRC Octane Number Requirement Survey. CRC-600. 10/97.

1996 CRC Octane Number Requirement Survey. CRC-607. 3/98.

Octane Requirement Increase of 1992 - 1996 Model Vehicles. CRC-616. 8/98.

1998 CRC Octane Driveability Workshop. CRC-618. 11/98.

1995 - 1997 CRC Octane Number Requirement Surveys. CRC-619. 2/99.

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